Sheet glass surfacing apparatus



April 19, 1932.-

l. ov. PEDERSEN SHEET GLASS SURFACING APPARATUS Filed Nov. 4,

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April 19, 1932. o, EDERSEN 1,854,484

SHEET GLASS SURFACING APPARATUS Filed Nov. 4, 1926 3 Sheets-Sheet 2 n TmI E l 1::

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SHEET GLASS SURFACING APPARATUS Filed Nov. 4, 1926 5 Sheets-Sheet 3 Mig'FV l? S) S14/vento@ Ing xfa/d O. Fede/15m attozwuj Patented Apr. 19,1932 UNrrEn stares rai-rent crains;

INGVALD O. PEDERSEN, OF :PIT'.LSBUE'G'IIJ PENNSYLVANIA, ASSIGNOR TOLIBBEY- OWENS-FORD GLASS COMPANY, F TOLEDO, OHIO, A CORPORATION 0F OHIOSHEET GLASS SURFAGING APPARATUS Application filed November 4, 1926.Serial No. 146,117.

This invention relates to new and useful improvements in sheet glasssurfacing apparatus.

An important object of the invention is to .g provide, in sheet glasssurfacing apparatus,

novel and simplified means for coupling together a plurality of trucksor tables adapted to support and carry a series of sheets to be surfacedbeneath a plurality of surfacing -320 units.

Another object of the invention is to provide, in sheet glass surfacingapparatus, centering means for alining the tables prior to the couplingthereof.

A further object of the invention is to provide, in sheet glasssurfacing apparatusl of the above character, centering and couplingmeans whereby the adjacent ends of adjoining tables will snugly abut andbe held in contact with one another.

A still further object of the invention is to provide, in sheet glasssurfacing apparatus of the above character, means for automaticallyuncoupling the tables upon movement theret of in a predetermineddirection.

Still another and important object of the invention is to provide, insheet glass surfacing apparatus of the above character, means fordriving and guiding the tables to prevent :lo lateral vibratingVmovement thereof when the glass sheets are brought into engagement withthe surfacing units. v

Other objects and advantages of the invention will become more apparentduring the course of the following description.

In the drawings wherein like numerals are employed to designate likeparts throughout the same,

Fig. 1 is an elevation of a plurality of tables or trucks havingincorporated therewith iinproved centering, coupling and guiding meansconstructed in accordance with the present invention,

Fig. 2 is an enlarged elevation showing the adjacent ends of twoadjoining tables,

Fig. 8 is an end view of one of the tables,

Fig. 41 is a bottom plan thereof,

Fig. 5 is an enlarged vertical longitudinal sectional view of theadjacent ends of two gather. rails 15 are adapted to support the trucksadjoining tables showing the improved coupling means associatedtherewith,

VFig. 6 is a top plan view of the coupling means removed from thetables,

Fig. 7 is a detail sectional view of the centering means, and

Fig. 8 is a View similar to Fig. 2, but showing a slightly modified formof the present invention.

Referring now more in detail to the accompanying drawings, andespecially to Figs. 1 to 6, inclusive, there is disclosed a plurality ofVtrucks or tables 10 having securedto the upper surfaces thereof bymeans of plaster of Paris or the like 11, a series of glass sheets12 tohave surfaced. These tables are adapted to carry the sheets beneath aplurality of surfacing units not shown.

Each tabley is provided adjacent the opposite ends thereof with two setsof wheels 13 and 14, the wheels 14 being arranged inwardly of the wheels13 and somewhat closer to- The wheels 13 running on tracks or when thesheets are being carried beneath the surfacing units while the wheels 14are adapted to run on a second pair of more closely associated rails,not shown, and to support the tables` during the return trip thereof tothe surfacing units. It will be noted upon reference to Fig. 3, that thewheels 13 are provided at both sides thereof with flanges 13 whichengage the opposite sides .of the rails 15 and thus prevent lateralvibrating movement of the tables as the glass sheets are being surfaced.

In order to drive the tables 10 beneath the surfacing units, there aresecured to the under surfaces of said tables adjacent the opposite sidesthereof, splitv herring bone racks 16 and 17. These racks are engaged bypinions l-mounted upon a drive shaft 19, and upon rotation of the saiddrive shaft 19 and pinions 18, the tables will be moved. beneath thesurfacing units. The provision of the herring bone racks 16 and 17 alsoserves toy prevent lateral vibrating movement of the tables during thesurfacing of the class as a number of the teeth of the pinions arealways in engagement with the teeth of the racks.

For the purpose of guiding the tables while under the surfacingmachines, there are provided horizontally arranged wheels 20, rotatablymounted in recesses 21 formed in the sides of the tables. These wheelsextend beyond the tables and engage horizontally arranged angle beams22.

Carried by the bottom of each of the tables l0, adjacent one endthereof, is a substantially rectangular bearing block 23 provided in itsopposite faces with recesses 24 and 25 separated by a vertical web 26through which is inserted a horizontal I-bolt 27 provided at its forwardor outer end with an eye 28. Re-

ceived on the inner end of the bolt 27 is a cup washer 29 which issecured against outward movement by means of a suitable nut or the like30. Encircling the bolt 27 is a compression spring 31 having itsopposite ends bearing against the vertical web 26 and cup washer 29,said spring acting to normally draw and hold the eye 28 within therecess 24, and to also hold the adjacent ends of the tables in abutmentwith one another as will be more clearly hereinafter apparent.

Carried by under surface of the adjacent end of the adjoining table is abearing block 32 substantially U-shaped in top plan as shown in Fig. 6.The spaced side portions 33 and 34 of the bearing block 32 are providedwith longitudinally extending guide ways 35 as shown in Fig. 5, andwithin which are slidably mounted follower blocks 36. rIhese blocks 36are provided at their inner ends with annular flanges 37, and j ournaledwithin said blocks are the opposite ends of a crank shaft 38.

Loosely mounted on the opposite ends of the crank shaft 38 are thelongitudinally eX- tending arms 39 and 40, which are joined at theirforward outer ends and terminate in a hook 41 adapted to engage withinthe eye 28.

The hook is provided with a beveled face 42 adapted to engage and slideover the correspondingly beveled face 43 of the eye 28.

The bearing block 32 is also provided at its forward end with a recess44 for receiving the arms 39 and 40. Spaced bearings 45 and 46 are alsoarranged within the recess 44 between the arms 39 and 40, and haveinserted j therethrough a pin 47.

Loosely mounted on the crank or throw Y arm 48 of the crank shaft 38 isa lever 49, the

outer forward end thereof being received between the bearings 45 and 46,and having passed loosely therethrough the securing pin 47. Insertedthrough the lever 49, inwardly of the bearings 45 and 46, is atransverse pin 50, said pin being secured to the lever by nuts 5l andadapted to engage the bottom edges of the arms 39 and 40 to move thesame upwardly.

When the tables 10 are coupled together, the various parts of thepresent invention will assume the positions shown by the full j a post55.

lines in Figs. 5 and 6. l/Yhen it desired to uncouple the tables, thecrank shaft 38 is rotated in a clockwise direction, and as the crank orthrow arm 48 thereof is rotated upwardly and rearwardly, it will causethe follower blocks 36 and crank shaft 38 to slide forwardly within theguide ways 35. This sliding movement will cause the hook 4l to be movedforwardly within the eye 28. Continued rotation of the crank shaft 38will raise the inner end of the lever 49 with the result that the endsof the pin 50 engaging the bottom edges of the arms 39 and 40 will actto raise the hook 4l out of engagement with the eye 28. l/Vhen it isdesired to couple the tables together, the above operation is simplyreversed. That is to say, the crank shaft 38 is rotated in acounter-clockwise direction to lower the inner end of the lever 49,whereby to permit the arms 39 and 40 to be lowered so that the hook 4lmay engage with the eye 28. ldhen the trucks are properly coupled, thecompression spring 3l acts to hold the adjacent ends of the tables inabutment with one another.

ln order that the trucks may be automatically uncoupled, the crank shaft38 is extended beyond the table, and has keyed thereto, one end of anoperating lever 53 carrying at its free end a roller 54 adapted to'engage As shown in Fig. l, when the trucks are moved to the right, theroller 54, riding upwardly on the post 55, will act to rotate the crankshaft in a clockwise direction, whereby to disengage the hook 4l fromthe eye 29.

In order to properly center the tables prior to coupling them together,centering pins 56 are carried by the table at opposite sides of thebearing blocks 23. These pins 56 are carried by depending webs 57 andare receive-d within bosses 58 carried by the adjacent end of theadjoining table. Each of the centering pins 56 is provided intermediateits ends with an annular collar 59 adapted to abut the web 57, and a nut60 is carried by the inner end of the pin. Thus, upon tightening of thenut 60, the centering pin 56 can be rigidly secured to the web 57.

ln Fig. 8, wherein has been shown a somewhat modified form of thepresent invention, the bearing block 32 is provided with guide ways 62within which are slidably mounted follower blocks 63 having j ournaledtherein a shaft 64. Loosely mounted on the shaft 64 is one end of thehook member 65 provided at its forward end with a hook 66 adapted toengage within the eye 28. rl`he hook member is formed intermediate itsends with a recess 67, and passing transversely through the said recessis a shaft 68 formed with an enlargement 69. Upon rotation of the shaft68 in a counter-clockwise direction, the enlargement 69 will engage thehook member 65 and cause the same to be moved forwardly and upwardly soas to disengage the hook 66 from within the eye 28.

It is to be understood that the form of the invention herewith shown anddescribed is to be taken as the preferred embodiment of the same, andthat various changes in the shape, size and arrangement of parts may beresorted to without departing from the spirit of the invention or thescope of the subjoined claims.

Claims:

l. In sheet glass surfacing apparatus, a plurality of tables arrangedend to end and adapted to carry a series of glass sheets to be surfaced,a stationary hook member carried at one end of each table, a movablehook member carried at the adjacent end of the adjoining table andadapted for engagement with said stationary hook member to Ahold theends of the tables in firm abutting relation, a crank shaft upon whichthe movable hook member is loosely mounted, horizontally slidablebearing blocks carried by the table and within which the opposite endsof said crank shaft are journaled, a lever loosely mounted at one endupon the throw arm of said crank shaft and being pivotally secured atits opposite end, and means carried by the lever and adapted forengagement with the movable hook member to move said hook memberupwardly out of engagement `with said stationary hook member uponrotation of the crank shaft.

2. In sheet glass surfacing apparatus, a plurality of tables arrangedend to end and adapted to carry a series of glass sheets to be surfaced,a stationary hook member carried at one end of each table, means carriedat the adjacent end of the adjoiningtablehavinglongitudinally extendingguideways, a crank shafthavingitsoppositeendsmountedforsliding movementwithin said guideways, a movable hook member loosely mounted upon saidcrank shaft and adapted forengagementwith the stationary hook member tohold the ends of said tables in firm abutting relation, a lever looselymounted at one end upon the throw arm of said crank shaft, means forpivotally securing the opposite end of said lever, and means carried bythe lever intermediate its ends and positioned to engage the movablehook member whereby to lift the same out o-f engagement with thestationary hook member upon rotation of said crank shaft.

3. ln sheet glass surfacing apparatus, a plurality of tables arrangedend to end and adapted to carry a series of glass sheets to be surfaced,a stationary hook member carried at one end of each table, a bearingblock carried at the adjacent end of the adjoining table and beingsubstantially U-shaped in top plan, the spaced side portions of saidbearing block being provided with longitudinally extending guideways,follower blocks slidably mounted within said guideways, a crank shafthaving its opposite ends journaled in said follower blocks, forwardlyextending arms loosely mounted upon the crank shaft adjacent theopposite ends thereof and being united at their forward ends to form amovable hook member adapted for engagement with the stationary hookmember to hold the ends of said tables in firm abutting relation, saidbearing block being provided at its forward end with a recess forreceiving the arms therein, sp aced bearings also arranged within therecess between said arms, a pin extending between the bearings, a leverloosely mounted at one end upon the throw arm of the crank shaft and atits opposite end upon said pin, and a lifting element carried by thelever intermediate its ends, said element being positioned beneath andadapted to engage and lift the movable hook member out of engagementwith the stationary h ook member upon rotation of said crank.

Signed at Toledo, in the county of Lucas and State of Ohio, this 18thday of October,

INGVALD O. PEDERSEN.

